Style Change: NULL->nullptr

samplecode/SampleApp.h

Index: samplecode/SampleApp.h
diff --git a/samplecode/SampleApp.h b/samplecode/SampleApp.h
index 1f8c33389a348463e69a449ce13e198159ed857b..d8724955e07437aae4a7323ff93c6dc4d6e3c9fd 100644
--- a/samplecode/SampleApp.h
+++ b/samplecode/SampleApp.h
@@ -87,10 +87,10 @@ public:
         // at least once before first draw (after init)
         virtual void windowSizeChanged(SampleWindow* win) = 0;
 
-        // return the GrContext backing gpu devices (NULL if not built with GPU support)
+        // return the GrContext backing gpu devices (nullptr if not built with GPU support)
         virtual GrContext* getGrContext() = 0;
 
-        // return the GrRenderTarget backing gpu devices (NULL if not built with GPU support)
+        // return the GrRenderTarget backing gpu devices (nullptr if not built with GPU support)
         virtual GrRenderTarget* getGrRenderTarget() = 0;
     private:
         typedef SkRefCnt INHERITED;
@@ -100,11 +100,11 @@ public:
     virtual ~SampleWindow();
 
     SkSurface* createSurface() override {
-        SkSurface* surface = NULL;
+        SkSurface* surface = nullptr;
         if (fDevManager) {
             surface = fDevManager->createSurface(fDeviceType, this);
         }
-        if (NULL == surface) {
+        if (nullptr == surface) {
             surface = this->INHERITED::createSurface();
         }
         return surface;